<template>
    <div class="cmt-container">
        <h3>发表评论</h3>
        <hr>
        <textarea placeholder="请输入要BB的内容（最多吐槽120字）" maxlength="120"></textarea>
        <mt-button type="primary" size="large">发表评论</mt-button>
        <div class="cmt-list">
            <div class="cmt-item" v-for="(item, i) in comments" :key="item.add_time">
                <div class="cmt-title">
                    第{{i+1}}楼&nbsp;&nbsp;用户：{{ item.user_name }}&nbsp;&nbsp;发表时间：{{item.add_time|dateFormat}}
                </div>
                <div class="cmt-body">
                    {{item.content==='undefined'?'此用户很懒，麻豆没说':item.content}}
                </div>
            </div>
        </div>
        <mt-button type="danger" size="large" plain  @click="getMore">加载更多</mt-button>
    </div>
</template>

<script>
import { Toast } from "mint-ui"
export default {
    data(){
        return {
            pageIndex: 1,    //默认展示第一页数据
            comments: []
        }
    },
    methods: {
        getComments(){
            this.$http.get('api/getcomments/'+ this.id +'?pageindex='+ this.pageIndex).then(result=>{
                if(result.body.status==0){
                    // this.comments= result.body.message
                    // 每当获取新评论数据的时候，不清空老数据
                    this.comments= this.comments.concat( result.body.message )
                }else{
                    Toast('获取评论失败!')
                }
            })
        },
        getMore(){
            this.pageIndex++
            this.getComments()
        }
    },
    props: [ "id" ],
    created(){
        this.getComments()
    }
}
</script>

<style lang="scss" scoped>
.cmt-container{
    h3{font-size: 18px;}
    textarea{
        font-size: 14px;
        height: 85px;
        margin: 0;
    }
    .cmt-list{
        margin:5px 0;
        .cmt-item{
            font-size: 13px;
            .cmt-title{
                line-height: 30px;
                background-color: #ccc;
            }
            .cmt-body{
                line-height: 35px;
                text-indent: 2em;
            }
        }
    }
}

</style>